00382nam a2200145Ia 4500008004100000020001500041082001400056100001600070245003300086260005100119300000800170650001600178650001800194653002400212170901s1969 xx 000 0 und d a0852640137 a519bD19M aDavid, H.A. 0aMethod of Paired Comparisons aLondonbCharles Griffin and Company Ltd.c1969 a124 aMathematics aPure Sciences aExperimental design